package cn.azzhu.springdemo.service;

import cn.azzhu.springdemo.bean.Phone;
import com.github.pagehelper.PageInfo;

/**
 * @author azzhu
 * @create 2020-08-22 14:36:06
 */
public interface PhoneService {

    Phone getById(Integer id);

    PageInfo getPage(Integer pageNum,Integer pageSize);
}
